1946869268999 has 4 divisors (see below), whose sum is σ = 1970325525336. Its totient is φ = 1923413012664.

The previous prime is 1946869268923. The next prime is 1946869269013. The reversal of 1946869268999 is 9998629686491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1946869268999 - 2³⁶ = 1878149792263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1946869268999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1946869261999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11728128044 + ... + 11728128209.

It is an arithmetic number, because the mean of its divisors is an integer number (492581381334).

Almost surely, 2^{1946869268999} is an apocalyptic number.

1946869268999 is a deficient number, since it is larger than the sum of its proper divisors (23456256337).

1946869268999 is an equidigital number, since it uses as much as digits as its factorization.

1946869268999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23456256336.

The product of its digits is 6530347008, while the sum is 86.

The spelling of 1946869268999 in words is "one trillion, nine hundred forty-six billion, eight hundred sixty-nine million, two hundred sixty-eight thousand, nine hundred ninety-nine".